Is 24 over 40 equals 4 over 5 a true proportion?
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
The total amount of students in the pool is 13.
1) Find the probability that at least 2 first year graduate students are among the chosen group.
The total amount of different ways to chose 4 students from a pool of 13 is
The total amount of ways to choose at least 2 first year graduate students would be:
Ways of choose 2 first year students and 2 seniors + ways of choose 3 first year students and 1 senior + ways of choose 4 first year students. <u>(we are adding and not multiplying because it's "choose 2 first year OR 3 OR 4")</u>
Therefore, the probability would be: